| Cabeceiras de Basto to Caguas (Puerto Rico) | 3,749.62 mi (6,034.43 km) |
| Cabeceiras de Basto to Cahokia (Illinois) | 4,176.78 mi (6,721.87 km) |
| Cabeceiras de Basto to Calabasas (California) | 5,608.04 mi (9,025.27 km) |
| Cabeceiras de Basto to Caldwell (Idaho) | 5,076.45 mi (8,169.76 km) |
| Cabeceiras de Basto to Caledonia (Wisconsin) | 3,926.22 mi (6,318.64 km) |
| Cabeceiras de Basto to Calera (Alabama) | 4,214.37 mi (6,782.38 km) |
| Cabeceiras de Basto to Calexico (California) | 5,546.78 mi (8,926.68 km) |
| Cabeceiras de Basto to Calhoun (Georgia) | 4,076.30 mi (6,560.17 km) |
| Cabeceiras de Basto to California (Maryland) | 3,538.40 mi (5,694.51 km) |
| Cabeceiras de Basto to California City (California) | 5,526.29 mi (8,893.70 km) |
| Cabeceiras de Basto to Callaway (Florida) | 4,269.93 mi (6,871.79 km) |
| Cabeceiras de Basto to Calumet City (Illinois) | 3,950.76 mi (6,358.13 km) |
| Cabeceiras de Basto to Calverton (Maryland) | 3,536.85 mi (5,692.01 km) |
| Cabeceiras de Basto to Camano (Washington) | 5,063.60 mi (8,149.08 km) |
| Cabeceiras de Basto to Camarillo (California) | 5,618.56 mi (9,042.20 km) |
